A combined around 100,000 acres were listed for sale in Rio Grande County recently; the combined value of all Rio Grande County land and rural real estate for sale was $115 million. Rio Grande County ranks 28th in Colorado based on the total amount of acres of land for sale among all the counties in the Mile High State. There were two properties listed as sold in Rio Grande County through the Land Network Comparable Sales Program. This represented a total value of $1,155,000. Of all locations in Rio Grande County with farms and ranches for sale, South Fork had the most land for sale. Rio Grande County is Colorado's 45th largest county (912 square miles). It's located in the South Central Colorado region of Colorado.